termsTerm
Bethesda category (thyroid cytology)
The Bethesda category is a six-step scale, from 'not enough cells' to 'cancer', that pathologists use to report a thyroid needle biopsy.
I non-diagnostic, II benign, III atypia of undetermined significance, IV follicular neoplasm, V suspicious, VI malignant. Categories III-IV are where molecular classifiers change management. The 2023 revision harmonised risk-of-malignancy estimates.
Diagnostics: what this kind of term is about · animated schematic, not to scale
Category
Diagnostics
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